Home / 2,849.28-3,931.95-1,590.27

Finding the Fourth Proportional to 2,849.28, 3,931.95 and 1,590.27

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Solution

The fourth proportional to 2,849.28, 3,931.95 and 1,590.27 is: 2,194.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.28 : 3,931.95 = 1,590.27 : x
  2. Step 2: Convert to fraction form
    2,849.28/3,931.95 = 1,590.27/x
  3. Step 3: Cross multiply
    2,849.28x = 3,931.95 × 1,590.27
  4. Step 4: Simplify right side
    2,849.28x = 6,252,862.13
  5. Step 5: Solve for x
    x = 6,252,862.13/2,849.28
  6. Step 6: Final answer
    x = 2,194.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.